v4.22.0 release candidate (#1879)

* update app versions

* change default solana node

* update unspents more frequently to avoid unupdated state

* temporary fix for polygon sending issue

* change tron default node

lib/view_model/send/send_view_model.dart

@@ -26,7 +26,6 @@ import 'package:cw_core/transaction_priority.dart';
 import 'package:cw_core/unspent_coin_type.dart';
 import 'package:cake_wallet/view_model/send/output.dart';
 import 'package:cake_wallet/view_model/send/send_template_view_model.dart';
-import 'package:cw_core/utils/print_verbose.dart';
 import 'package:cw_solana/solana_exceptions.dart';
 import 'package:flutter/material.dart';
 import 'package:hive/hive.dart';
@@ -100,6 +99,8 @@ abstract class SendViewModelBase extends WalletChangeListenerViewModel with Stor
 
     outputs
         .add(Output(wallet, _settingsStore, _fiatConversationStore, () => selectedCryptoCurrency));
+
+    unspentCoinsListViewModel.initialSetup();
   }
 
   @observable